Home / 10,211.24-15,309.66-3,966.05

Finding the Fourth Proportional to 10,211.24, 15,309.66 and 3,966.05

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Solution

The fourth proportional to 10,211.24, 15,309.66 and 3,966.05 is: 5,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.24 : 15,309.66 = 3,966.05 : x
  2. Step 2: Convert to fraction form
    10,211.24/15,309.66 = 3,966.05/x
  3. Step 3: Cross multiply
    10,211.24x = 15,309.66 × 3,966.05
  4. Step 4: Simplify right side
    10,211.24x = 60,718,877.04
  5. Step 5: Solve for x
    x = 60,718,877.04/10,211.24
  6. Step 6: Final answer
    x = 5,946.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.